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Engineering
Computer Engineering
Performs a MongoDB MapReduce query that returns the total value of all orders per state. SELECT state, SUM(orders.total) GROUP BY state */ public MongoCursor query3() { // TODO: Write a MongoDB MapReduce query that returns the total value of all orders per state. SELECT state, SUM(orders.total) GROUP BY state MongoCollection col = db.getCollection(COLLECTION_NAME); return null; }

Performs a MongoDB MapReduce query that returns the total value of all orders per state. SELECT state, SUM(orders.total) GROUP BY state */ public MongoCursor query3() { // TODO: Write a MongoDB MapReduce query that returns the total value of all orders per state. SELECT state, SUM(orders.total) GROUP BY state MongoCollection col = db.getCollection(COLLECTION_NAME); return null; }

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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**

* Performs a MongoDB MapReduce query that returns the total value of all orders per state. SELECT state, SUM(orders.total) GROUP BY state

*/

public MongoCursor<Document> query3()

{

// TODO: Write a MongoDB MapReduce query that returns the total value of all orders per state. SELECT state, SUM(orders.total) GROUP BY state

MongoCollection<Document> col = db.getCollection(COLLECTION_NAME);

return null;

}

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